Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
lafen
←
German
laufen
(cognate)
←
English
leap
(cognate)
←
Proto-Germanic
*hlaupaną
(inherited)
←
Old High German
hloufan
(inherited)
←
Icelandic
hlaupa
(cognate)
←
Dutch
lopen
(cognate)
→
Luxembourgish
Leefer
(affix)
→
Luxembourgish
Laf
(link)
→
Luxembourgish
oflafen
(affix)